app.js

const express = require('express');
const moongose = require('mongoose');
const app = express();
const { MongoClient, ServerApiVersion } = require('mongodb');
const dotenv = require('dotenv');
const PORT = process.env.PORT || 5000;

dotenv.config()

const MONGODB_URI = process.env.MONGODB_URI_URL;



const setMiddleware = require('./middleware/middlewares')
const setRoutes = require('./routes/routes');

//setup view engine
app.set('view engine', 'ejs');
app.set('views', 'views');


//useing MiddlleWare from MiddleWare Directory
setMiddleware(app)

//useing routes from routes Directory
setRoutes(app);

app.use((req, res, next) => {
    let error = new Error('404 Page Not Found')
    error.status = 404
    next(error)
})

app.use((error, req, res, next) => {
    if (error.status === 404) {
        return res.render('pages/error/404.ejs', {
            flashMessage: {},
            title: '404 Not Found'
        })
    }

    console.log(error);

    res.render('pages/error/500', {
        flashMessage: {}
    })

})


//connection......

moongose.connect(MONGODB_URI, {
    useNewUrlParser: true
})
    .then(() => {
        console.log(('Database connected'));
        app.listen(PORT, () => console.log(`Server started on port ${PORT}`));

    })
    .catch(e => {

        console.log(e);
    })